Worm Factory®

Create worm castings that are rich with phosphorus, nitrogen and many other nutrients and trace minerals.
  • Worm Factory -3 Tray - BLACK
    SKU: 1308011
  • $79.95
  • Worm Factory -3 Tray - TERRACOTTA
    SKU: 1308014
  • $89.95
  • Worm Factory -5 Tray - BLACK
    SKU: 1308012
  • $99.95
  • Worm Factory -5 Tray - TERRACOTTA
    SKU: 1308016
  • $109.95
  • 2 pk Replacement Trays - BLACK
    SKU: 1308005
  • $17.90
  • 2 pk Replacement Trays - TERRACOTTA
    SKU: 1308004
  • $21.90
  • Description
  • Instructions
  • Shipping Info
  • Technical

The Worm Factory® is an efficient way to compost. The square stacking bins allow you to put the worms (ordered separately), their bedding, and some food scraps in the bottom and more food waste and junk mail or corrugated box scraps in the top trays. The worms migrate upward in search of food as the supply below is used up. When they migrate, their castings in the bottom tray can be harvested. Worm castings are rich with phosphorus, nitrogen, and many other nutrients and trace minerals, making them an excellent organic fertilizer.

There is a handy spigot on the bottom tray of the Worm Factory® to drain the compost tea. This can be used as liquid fertilizer wherever needed, too. The worms in a fully functional 5-tray system use about 5-8 pounds of food scraps a week, and you can harvest one bin of castings about every six weeks. Each set comes with a complete, detailed 16 page instruction booklet, printed on recycled paper with soy ink.

The Worm Factory® 3- tray system measures 16" x 16" x 21", add 3.5" in height for each tray added.  The trays, base, and lid are made from high-quality post-consumer recycled plastic.  Available Colors are Black, Green or Terracotta . 

The operational temperatures are between 45 and 85°. The Worm Factory® can be used year-round. In the warmer months, place the unit outside in a dry place away from direct sunlight. In the cooler months, place the unit inside; used correctly, it is an odor-free system.  comes with Coir Brick, to give your worms their first "home" while they make castings.

The Worm Factory® Includes:

  • Stacking Trays and Base
  • "Worm Tea" Collection Tray
  • 16-Page Instruction Book
  • "Quick Tips" Lid
  • Coconut Coir Brick - the first 'home' for your worms
  • Worm Bedding
  • Spigot

Worms must be ordered separately. The following is a guide for the amount of worms to buy for the worm factory. Worms will reproduce to fill the space and then maintain their number. Click here to order worms.

Worm Factory®:        Begin with:

   3 tray                          1,000 Worms
   5 tray                          1,000 to 2,000 Worms

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